Retail centrality
As a retail centrality (also code the retail centrality or centrality factor ) of a city or other administrative unit is the ratio of its retail -Sales relevant retail to the existing local purchasing power , respectively. Values above 100% indicate that the city is attractive. B. exerts itself as a middle or regional center on its surrounding area and encourages its residents to buy more in their retail trade than, conversely, their own population carries its purchasing power to the outside world. The centrality index is a term coined by the Gesellschaft für Konsumforschung (GfK).
The centrality index is calculated and published in Germany by the chambers of industry and commerce . It is difficult to draw specific conclusions about the attractiveness of a commercial location, since a low purchasing power level in the city concerned also contributes to a high level of retail centrality. In addition, the centrality of different industries differs considerably depending on the supply density: While food, for example, is available nationwide and the relevant centrality of a regional center is only slightly above 100%, high-tech products are often only available there.
example
In Ludwigshafen am Rhein , the value increased from 91.4 in 1993 (2001: 95.6; 2005: 98.8) to 108.5 in 2009. So while - characterized by the key figure - a large part in the 1990s When the population of Ludwigshafen went shopping in the surrounding area and Ludwigshafen could hardly tie up purchasing power from the surrounding countryside, the city now developed into a shopping city for the surrounding communities.
The city of Duisburg has a retail centrality of a little over 90, which is low for large cities. There purchasing power flows into the surrounding cities.
Conversely, the values for Trier , for example, are over 200 and for Schweinfurt over 220 (2016), which shows these cities to be important shopping centers for a wide area and, for Trier, also for neighboring Luxembourg .
See also
Individual evidence
- ^ Urban Development Committee ( Memento from June 17, 2012 in the Internet Archive ). Retrieved September 27, 2016.
- ↑ The value is 221.2; Economy in Main Franconia : Main Franconian cities tie up a lot of purchasing power , October 2016, p. 6